Finding the Fourth Proportional to 17,003.92, 25,510.84 and 7,138

Step by Step Solution

1. Step 1: Write the proportion equation
   17,003.92 : 25,510.84 = 7,138 : x
2. Step 2: Convert to fraction form
   17,003.92/25,510.84 = 7,138/x
3. Step 3: Cross multiply
   17,003.92x = 25,510.84 × 7,138
4. Step 4: Simplify right side
   17,003.92x = 182,096,375.92
5. Step 5: Solve for x
   x = 182,096,375.92/17,003.92
6. Step 6: Final answer
   x = 10,709.08